/*
* Copyright (c) JForum Team
* All rights reserved.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* 1) Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* 2) Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* 3) Neither the name of "Rafael Steil" nor
* the names of its contributors may be used to endorse
* or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
* HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
*
* This file creating date: Feb 23, 2003 / 2:49:48 PM
* The JForum Project
* http://www.jforum.net
*/
package net.jforum.dao;
import java.util.List;
import net.jforum.entities.Post;
/**
* Model interface for {@link net.jforum.entities.Post}.
* This interface defines methods which are expected to be
* implementd by a specific data access driver. The intention is
* to provide all functionality needed to update, insert, delete and
* select some specific data.
*
* @author Rafael Steil
* @version $Id: PostDAO.java,v 1.12 2007/08/20 19:35:52 rafaelsteil Exp $
*/
public interface PostDAO
{
/**
* Gets a specific <code>Post</code>.
*
* @param postId The Post ID to search
* @return <code>Post</code>object containing all the information
*/
public Post selectById(int postId) ;
/**
* Delete a Post.
*
* @param post Post The Post to delete
*/
public void delete(Post post) ;
/**
* Updates a Post.
*
* @param post Reference to a <code>Post</code> object to update
*/
public void update(Post post) ;
/**
* Adds a new Post.
*
* @param post Post Reference to a valid and configured <code>Post</code> object
* @return The new ID
*/
public int addNew(Post post) ;
/**
* Selects all messages relacted to a specific topic.
*
* @param topicId The topic ID
* @param startFrom The count position to start fetching
* @param count The total number of records to retrieve
* @return <code>ArrayList</code> containing all records found. Each entry of the <code>ArrayList</code> is a {@link net.jforum.entities.Post} object
*/
public List selectAllByTopicByLimit(int topicId, int startFrom, int count) ;
/**
* Selects all posts associated to a specific user and belonging to
* given forums
* @param userId int User ID.
* @param startFrom int
* @param count int
* @return List
*/
public List selectByUserByLimit(int userId,int startFrom, int count) ;
/**
* Count user posts.
* @param userId int
* @return int
*/
public int countUserPosts(int userId) ;
/**
* Selects all messages relacted to a specific topic.
*
* @param topicId The topic ID
* @return <code>ArrayList</code> containing all records found. Each entry of the <code>ArrayList</code> is a {@link net.jforum.entities.Post} object
*/
public List selectAllByTopic(int topicId) ;
/**
* Delete all posts related to the given topic
*
* @param topicId int
*/
public void deleteByTopic(int topicId) ;
/**
* Count how many previous posts there are before the given post id
* @param postId int
* @return int
*/
public int countPreviousPosts(int postId) ;
public List selectLatestByForumForRSS(int forumId, int limit);
public List selectHotForRSS(int limit);
}